5455847021 has 2 divisors, whose sum is σ = 5455847022. Its totient is φ = 5455847020.

The previous prime is 5455847003. The next prime is 5455847039. The reversal of 5455847021 is 1207485545.

It is a balanced prime because it is at equal distance from previous prime (5455847003) and next prime (5455847039).

It can be written as a sum of positive squares in only one way, i.e., 4372515625 + 1083331396 = 66125^2 + 32914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5455847021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5455847021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5455847041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2727923510 + 2727923511.

It is an arithmetic number, because the mean of its divisors is an integer number (2727923511).

Almost surely, 2^5455847021 is an apocalyptic number.

It is an amenable number.

5455847021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5455847021 is an equidigital number, since it uses as much as digits as its factorization.

5455847021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224000, while the sum is 41.

The square root of 5455847021 is about 73863.7057085549. The cubic root of 5455847021 is about 1760.4379743563.

The spelling of 5455847021 in words is "five billion, four hundred fifty-five million, eight hundred forty-seven thousand, twenty-one".